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    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
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  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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    5 mars 2010, par

    Le site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)

Sur d’autres sites (12551)

  • how to use ffmpeg library to stream audio from mms links on Android ?

    3 juillet 2012, par Caique

    i have searched a lot about the ffmpeg library. I have already installed it, the android ndk too... and i don't know how to stream links mms. I understand that it uses native methods, but i never used native methods before, how we can use ? anyone already did something like ?
    what i need is play a radio from a url, what uses mms protocol, is there a way to do it with ffmpeg library ? apparently, in the iphone is so simple to use this library.
    i know that is possible with the vitamio plugin, but i want to know how to use with the ffmpeg library.
    sorry for my english
    thanks

  • Font Size Mismatch When Using Fallback Fonts in FFmpeg ASS Subtitles

    6 janvier, par Mostafa Fathi

    I’m facing an issue with font size mismatch in ASS subtitles rendered by FFmpeg when combining English text with Arabic or Persian characters.

    


    Steps to Reproduce :

    


    1.Subtitle File :
Here’s an example of the ASS subtitle file :

    


    [Script Info]
Title: Generated ASS
ScriptType: v4.00+
WrapStyle: 2
ScaledBorderAndShadow: yes
YCbCr Matrix: none
PlayResX: 1920
PlayResY: 1080

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default, ABeeZee, 40, &H00FFFFFF, &H000000FF, &H00000000, &H00000000, -1, 0, 0, 0, 100, 100, 0, 0, 1, 1, 0, 2, 10, 10, 10, 1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.00,0:00:05.00,Default,,0,0,0,,Hello! This is English text.
Dialogue: 0,0:00:05.00,0:00:10.00,Default,,0,0,0,,سلام! This is mixed Arabic/English text.


    


      

    1. Command Used :

      2. 


    


    ffmpeg -i input.mp4 -vf "ass=subtitle.ass" output.mp4


    


      

    1. Screenshots :
Below are two screenshots of the issue :

      2. 


    


    • Text rendered with the main font (ABeeZee) is correct.

    


    


    • Text rendered with the fallback font (Cinema) appears larger/smaller in size.

    


    


      

    1. Debug Logs :

      2. 


    


    [Parsed_ass_0 @ 0xb4000079f04f8210] libass API version: 0x1701000
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] libass source: commit: 0.17.1-0-ge8ad72accd3a84268275a9385beb701c9284e5b3
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] Shaper: FriBidi 1.0.13 (SIMPLE) HarfBuzz-ng 8.0.1 (COMPLEX)
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] Using font provider fontconfig
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] Added subtitle file: '/data/***/ass_file.ass' (4 styles, 29 events)
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] fontselect: (ABeeZee, 400, 0) -> /data/***/ABeeZee_regular.ttf, 0, ABeeZee-Regular
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] Glyph 0x633 not found, selecting one more font for (ABeeZee, 400, 0)
[Parsed_ass_0 @ 0xb4000079f04f8210] 
[Parsed_ass_0 @ 0xb4000079f04f8210] fontselect: (ABeeZee, 400, 0) -> /data/***/Cinema.ttf, 0, Cinema


    


    Question :

    


    How can I ensure that text rendered with fallback fonts has the same size as the main font ? Are there specific settings in FFmpeg or the ASS subtitle format that can address this issue ? Alternatively, is there a way to manually adjust the scaling of fallback fonts in FFmpeg ?

    


  • File input of avformat_open_input in ffmpeg

    28 février 2016, par Justin Chang

    I’m trying to use function avformat_open_input in FFmpeg to open the file which contains Chinese word.

    For example :

    char* file="C:/測試/baby.mp4";
    

    
avformat_open_input(&pFormatCtx, file, NULL, NULL);

    But, it seems to be failed.

    My question is how do I pass the file path which contains Chinese (or other languages except for English) ?

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